diff options
Diffstat (limited to 'lib/crypto/doc')
| -rw-r--r-- | lib/crypto/doc/src/crypto.xml | 107 | ||||
| -rw-r--r-- | lib/crypto/doc/src/notes.xml | 37 |
2 files changed, 131 insertions, 13 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index cfc6996332..e1431cfd81 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1999</year><year>2009</year> + <year>1999</year><year>2010</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -13,12 +13,12 @@ compliance with the License. You should have received a copy of the Erlang Public License along with this software. If not, it can be retrieved online at http://www.erlang.org/. - + Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. - + </legalnotice> <title>crypto</title> @@ -35,6 +35,9 @@ <p>References:</p> <list type="bulleted"> <item> + <p>md4: The MD4 Message Digest Algorithm (RFC 1320)</p> + </item> + <item> <p>md5: The MD5 Message Digest Algorithm (RFC 1321)</p> </item> <item> @@ -115,6 +118,52 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> </desc> </func> <func> + <name>md4(Data) -> Digest</name> + <fsummary>Compute an <c>MD4</c>message digest from <c>Data</c></fsummary> + <type> + <v>Data = iolist() | binary()</v> + <v>Digest = binary()</v> + </type> + <desc> + <p>Computes an <c>MD4</c> message digest from <c>Data</c>, where + the length of the digest is 128 bits (16 bytes).</p> + </desc> + </func> + <func> + <name>md4_init() -> Context</name> + <fsummary>Creates an MD4 context</fsummary> + <type> + <v>Context = binary()</v> + </type> + <desc> + <p>Creates an MD4 context, to be used in subsequent calls to + <c>md4_update/2</c>.</p> + </desc> + </func> + <func> + <name>md4_update(Context, Data) -> NewContext</name> + <fsummary>Update an MD4 <c>Context</c>with <c>Data</c>, and return a <c>NewContext</c></fsummary> + <type> + <v>Data = iolist() | binary()</v> + <v>Context = NewContext = binary()</v> + </type> + <desc> + <p>Updates an MD4 <c>Context</c> with <c>Data</c>, and returns + a <c>NewContext</c>.</p> + </desc> + </func> + <func> + <name>md4_final(Context) -> Digest</name> + <fsummary>Finish the update of an MD4 <c>Context</c>and return the computed <c>MD4</c>message digest</fsummary> + <type> + <v>Context = Digest = binary()</v> + </type> + <desc> + <p>Finishes the update of an MD4 <c>Context</c> and returns + the computed <c>MD4</c> message digest.</p> + </desc> + </func> + <func> <name>md5(Data) -> Digest</name> <fsummary>Compute an <c>MD5</c>message digest from <c>Data</c></fsummary> <type> @@ -339,6 +388,33 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> </func> <func> + <name>des_ecb_encrypt(Key, Text) -> Cipher</name> + <fsummary>Encrypt <c>Text</c>according to DES in ECB mode</fsummary> + <type> + <v>Key = Text = iolist() | binary()</v> + <v>Cipher = binary()</v> + </type> + <desc> + <p>Encrypts <c>Text</c> according to DES in ECB mode. + <c>Key</c> is the DES key. The lengths of <c>Key</c> and + <c>Text</c> must be 64 bits (8 bytes).</p> + </desc> + </func> + <func> + <name>des_ecb_decrypt(Key, Cipher) -> Text</name> + <fsummary>Decrypt <c>Cipher</c>according to DES in ECB mode</fsummary> + <type> + <v>Key = Cipher = iolist() | binary()</v> + <v>Text = binary()</v> + </type> + <desc> + <p>Decrypts <c>Cipher</c> according to DES in ECB mode. + <c>Key</c> is the DES key. The lengths of <c>Key</c> and + <c>Cipher</c> must be 64 bits (8 bytes).</p> + </desc> + </func> + + <func> <name>blowfish_ecb_encrypt(Key, Text) -> Cipher</name> <fsummary>Encrypt the first 64 bits of <c>Text</c> using Blowfish in ECB mode</fsummary> <type> @@ -679,39 +755,44 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> <func> <name>dss_sign(Data, Key) -> Signature</name> + <name>dss_sign(DigestType, Data, Key) -> Signature</name> <fsummary>Sign the data using dsa with given private key.</fsummary> <type> - <v>Digest = Mpint</v> + <v>DigestType = sha | none (default is sha)</v> + <v>Data = Mpint | ShaDigest</v> <v>Key = [P, Q, G, X]</v> <v>P, Q, G, X = Mpint</v> <d> Where <c>P</c>, <c>Q</c> and <c>G</c> are the dss parameters and <c>X</c> is the private key.</d> - <v>Mpint = binary()</v> + <v>ShaDigest = binary() with length 20 bytes</v> <v>Signature = binary()</v> </type> <desc> - <p>Calculates the sha digest of the <c>Data</c> - and creates a DSS signature with the private key <c>Key</c> - of the digest.</p> + <p>Creates a DSS signature with the private key <c>Key</c> of a digest. + If <c>DigestType</c> is 'sha', the digest is calculated as SHA1 of <c>Data</c>. + If <c>DigestType</c> is 'none', <c>Data</c> is the precalculated SHA1 digest.</p> </desc> </func> <func> <name>dss_verify(Data, Signature, Key) -> Verified</name> + <name>dss_verify(DigestType, Data, Signature, Key) -> Verified</name> <fsummary>Verify the data and signature using dsa with given public key.</fsummary> <type> <v>Verified = boolean()</v> - <v>Digest, Signature = Mpint</v> + <v>DigestType = sha | none</v> + <v>Data = Mpint | ShaDigest</v> + <v>Signature = Mpint</v> <v>Key = [P, Q, G, Y]</v> <v>P, Q, G, Y = Mpint</v> <d> Where <c>P</c>, <c>Q</c> and <c>G</c> are the dss parameters and <c>Y</c> is the public key.</d> - <v>Mpint = binary()</v> + <v>ShaDigest = binary() with length 20 bytes</v> </type> <desc> - <p>Calculates the sha digest of the <c>Data</c> and verifies that the - digest matches the DSS signature using the public key <c>Key</c>. - </p> + <p>Verifies that a digest matches the DSS signature using the public key <c>Key</c>. + If <c>DigestType</c> is 'sha', the digest is calculated as SHA1 of <c>Data</c>. + If <c>DigestType</c> is 'none', <c>Data</c> is the precalculated SHA1 digest.</p> </desc> </func> diff --git a/lib/crypto/doc/src/notes.xml b/lib/crypto/doc/src/notes.xml index 6b9d1f56f1..79798331ca 100644 --- a/lib/crypto/doc/src/notes.xml +++ b/lib/crypto/doc/src/notes.xml @@ -30,6 +30,43 @@ </header> <p>This document describes the changes made to the Crypto application.</p> +<section><title>Crypto 2.0</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + crypto application changed to use NIFs instead of driver.</p> + <p> + Own Id: OTP-8333</p> + </item> + <item> + <p> + des_ecb_encrypt/2 and des_ecb_decrypt/2 has been added to + the crypto module. The crypto:md4/1 function has been + documented.</p> + <p> + Own Id: OTP-8551</p> + </item> + <item> + <p>The undocumented, unsupport, and deprecated function + <c>lists:flat_length/1</c> has been removed.</p> + <p> + Own Id: OTP-8584</p> + </item> + <item> + <p> + New variants of <c>crypto:dss_sign</c> and + <c>crypto:dss_verify</c> with an extra argument to + control how the digest is calculated.</p> + <p> + Own Id: OTP-8700</p> + </item> + </list> + </section> + +</section> + <section><title>Crypto 1.6.4</title> <section><title>Improvements and New Features</title> |